cPanel up to 68.0.14 Email Username input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in cPanel up to 68.0.14. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component Email Handler. Performing a manipulation with the input postmaster as part of Username results in input validation. This vulnerability was named CVE-2017-18393. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in cPanel up to 68.0.14 (Hosting Control Software). This affects an unknown function of the component Email Handler. The manipulation with the input value postmaster leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

cPanel before 68.0.15 does not block a username of postmaster, which might allow reception of private e-mail (SEC-326).

The weakness was presented 08/02/2019 (Website). The advisory is shared at documentation.cpanel.net. This vulnerability is uniquely identified as CVE-2017-18393 since 07/31/2019. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Technical details are known, but no exploit is available.

Upgrading to version 68.0.15 eliminates this vulnerability.

See VDB-139243, VDB-139244, VDB-139245 and VDB-139246 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: cPanel 68.0.15

Timelineinfo

07/31/2019 🔍
08/02/2019 +2 days 🔍
08/03/2019 +1 days 🔍
07/18/2020 +350 days 🔍

Sourcesinfo

Advisory: documentation.cpanel.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-18393 (🔍)
GCVE (CVE): GCVE-0-2017-18393
GCVE (VulDB): GCVE-100-139293
See also: 🔍

Entryinfo

Created: 08/03/2019 07:38
Updated: 07/18/2020 17:38
Changes: 08/03/2019 07:38 (59), 07/18/2020 17:38 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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